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Stoichiometry

Stoichiometry
Weight of 56 litres of ammonia at N.T.P. is __________ gm.

56
42.5
2.5
2800

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Stoichiometry
A gas at 0°C is cooled at constant pressure until its volume becomes half the original volume. The temperature of the gas at this state will be

0°K
-136.5°C
-273°C
- 136.5°K

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Stoichiometry
Solutions which distil without change in composition are called

Azeotropic
Ideal
Saturated
Supersaturated

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Stoichiometry
Osmotic pressure of the solution can be increased by

Diluting the solution
None of these
Decreasing its temperature
Increasing the volume of the vessel containing the solution

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Stoichiometry
Recycling in a chemical process facilitates

Heat conservation
Enrichment of product
Increased yield
All of these

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Stoichiometry
A gaseous mixture contains 14 kg of N₂, 16 kg of O₂ and 17 kg of NH₃. The mole fraction of oxygen is

0.66
0.16
0.47
0.33

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